SensationalOur senses are at the heart of how we navigate the world. Whittling this high powered and deliciously varied palette down to just five does a great disservice to the sensory experience, Sensational argues. In fact, we could have as many as fifty threeand they could explain such mysteries as why we kiss, in what way music is a form of emotional currency, and how a dairy rich diet strained initial Euro Japanese relations. Ashley Ward embarks on a